Solid steel one-piece design. Made from 4140 alloy structural steel (can be replaced by 42crmo).
Heat treatment specifications: 880??, 1h oil quenching, 650~680??, 2h tempering, air cooling.
End sleeve material: 45# No special heat treatment required.
The 34-tooth solid sprocket conversion kit. Kit includes washer and spacer.
Eliminates chain sprocket slippage and noise. Lighter than original part.
It replaces your failing stock to reduce driveline noise level.